linback Medium Point (0.5mm) Ink Roller Ball Gel Pen, Black, Pack of 12 This design black gel ink pens writing are smooth, leak-free, no skips or smudge. The pens are with frosted plastic pen holder and strong metal pocket clip. The roller ball pen is a classic design by world famous designers. The 0.5 mm writing point pen can be perfect used for writing, signature, drawing... You are the unique scenery with this pen!